Home / 11,424.28-15,765.15-6,708.46

Finding the Fourth Proportional to 11,424.28, 15,765.15 and 6,708.46

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Solution

The fourth proportional to 11,424.28, 15,765.15 and 6,708.46 is: 9,257.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,424.28 : 15,765.15 = 6,708.46 : x
  2. Step 2: Convert to fraction form
    11,424.28/15,765.15 = 6,708.46/x
  3. Step 3: Cross multiply
    11,424.28x = 15,765.15 × 6,708.46
  4. Step 4: Simplify right side
    11,424.28x = 105,759,878.17
  5. Step 5: Solve for x
    x = 105,759,878.17/11,424.28
  6. Step 6: Final answer
    x = 9,257.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.